MACK part description

VALVE - 20QE4192A

Mack SR-7 Spring Brake Valve

The Mack SR-7 Spring Brake Valve revolutionizes the efficiency and safety of braking systems in heavy-duty trucks. Engineered for superior performance and durability, this essential replacement part ensures your vehicle maintains optimal stopping power under various conditions. The Mack 21116666 is designed to meet the rigorous demands of professional trucking, offering reliability when needed most.

Features & Benefits

  • Provides a quick and secure application of the spring brakes when parking
  • Automatically activates the spring brakes, providing a crucial layer of redundancy for safe emergency stopping
  • Valve design prevents unnecessary pressure build-up for optimal braking performance
  • Constructed with high-quality materials for long-lasting performance
  • Suits a wide range of Mack truck models, making it a versatile part for numerous applications

Mack trucks are built to last, but when the time for repair and maintenance comes it’s strongly recommended to use genuine Mack® components. Designed and manufactured according to strict OEM specifications, Mack parts offer the same engineering and performance as their stock equivalent. This ensures a seamless fit, smooth installation, and reliable operation overall. Mack offers a wide range of genuine parts, including engine, exhaust, transmission, cab, and body parts and accessories. It also offers remanufactured components that offer the same good-as-new quality at a more accessible price range. All genuine Mack parts are tested in both the laboratory and field environments to ensure they meet or exceed industry standards.

Don't know your part number?

Take a photo and we'll identify it!

Recommended Products

More from MACK (Browse all)